.8x+0.4y=1.2

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Solution for .8x+0.4y=1.2 equation: 


Simplifying
0.8x + 0.4y = 1.2

Solving
0.8x + 0.4y = 1.2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.4y' to each side of the equation.
0.8x + 0.4y + -0.4y = 1.2 + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
0.8x + 0.0 = 1.2 + -0.4y
0.8x = 1.2 + -0.4y

Divide each side by '0.8'.
x = 1.5 + -0.5y

Simplifying
x = 1.5 + -0.5y

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